About Integrated Service Company

Integrated Service Company, LLC, is a trusted leading company in the Refining and Petrochemical industry, and we deliver efficiency and quality in all of our services: Field Services, Construction & Turnaround Services, Manufacturing Services, Tank Services, Tank Inspection Services, and Heater Services.

We hire only the most qualified professionals, and we work with suppliers worldwide to ensure our products are superior, so you can be sure the job will be completed quickly and the work will be top-quality. Our processes are safety-oriented, environmentally sound, and cost-effective. Best of all, we can be on the road in mere hours with the high-quality supplies and skilled professionals to fix any on-site problem.

Check out our services or contact us now if you have a problem that needs fixing.

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Interested in Working for InServ?

When units fail, pipes burst, or tanks spring a leak, our clients look to InServ and our teams of skilled professionals to hit the ground running and fix the problem with speed and efficiency. InServ is always recruiting skilled professionals in the following areas:

Boilermakers

Fitters

Welders

Helpers

Hole/Fire Watch

Our network of job sites spans the country, so you could have job opportunities near you now or in the future regardless of where you live. Working with InServ can also be a great opportunity to travel the country and work with a variety of companies.

If you share our passion for efficiency, quality, and safety, we want you on our team. If you have questions, call 918-879-2660 (InServ) or 918-437-4400 (CTS).

Integrated Service Company is accepting applications for Manager - Port City Industrial Tooling

This position is responsible for planning, coordinating and directing the supply of tools and equipment from purchase through delivery to the job site. The successful candidate will possess experience in Procurement, Warehousing Systems, Inventory Control, and Equipment Maintenance as well as the ability to balance multiple projects and be proficient in Microsoft Word, Excel and Outlook. Interested candidates should send resumes to Resumes@inservusa.com ... See MoreSee Less

It took seven years, but Arlo DeKraai and Clayton Hughes have gotten the family back together.The clan, in this case, is energy infrastructure firm InServ, or Integrated Services Co. LLC. InServ was built up over decades, then sold to worldwide pipeline contractor WillBros for a reported $225 millio…

Integrated Service Company LLC of Tulsa (InServ) is proud to announce that InServ has acquired Great Southern Technologies, LLC (GST) of Broken Arrow, Ok. GST is an industry leading provider of engineering services and Heater design, which was founded in November 2005 by William C Gibson and Robert L Gibson.

GST's seasoned management team has done a fantastic job of building a solid and successful company that clients with turnkey solutions to their existing heater problems, latest new heater technology design and retrofit

Our clients will continue to receive the same high-quality services, which they have come to expect. GST will continue to operate under that name, as a fully owned subsidiary of Integrated Service Company.